Attention: This products function is Close Stop Start Engine System, your car must have "A off" button,than can use. if your car haven't "A off" button, cann't fit for your car.Installation: Please turn off the power of the car before installation.Remove the panel with tool and connect the cable between factory socket and button socket.Setting: After installation, start the engine while stepping on brake pedal, observe for 3-6 seconds. Don't press the button. The button light will turn on itself. Then set the mode !The mode switching method:The mode switching method adopts the 3+X method to switch.1. Turn off the start and stop first, wait for more than three seconds2. Press the start-stop switch three times in succession (after pressing it, the start-stop is turned on, wait for it to automatically turn off);3. Immediately after the start-stop is automatically closed, press the start-stop switch three (or two or four times) consecutively, and then wait for the indicator to reverse. Then enter the automatic shutdown mode (or memory mode, for original-factory mode).Color:BlackMaterial:plasticPackage Contents:1 * Automatic Stop Start Eliminator Cable1 * Rocker